Characteristics of 137Cs deposition in steppe area

被引：0
|
作者：
ZHANG Chunlai
China Center of D
机构：
来源：
Chinese Science Bulletin | 2002年 / 10期
基金：
中国国家自然科学基金;
关键词：
137Cs; steppe; soil wind erosion;
D O I：
暂无
中图分类号：
P512.2 [剥蚀作用、搬运作用、沉积作用];
学科分类号：
摘要：
Soil wind erosion in the semiarid steppe area was studied using the 137Cs tracing technique. Comparisons of 137Cs deposition characteristics between different soil profiles indicated that slight aeolian activities occurred on sandy grasslands and semi-fixed dunes with erosion/deposition rates of less than 0.108 cm/a, whereas they were intense on semi-shifting dunes with erosion/deposition rates of higher than 1.35 cm/a.
引用
收藏
页码：848 / 853
页数：6
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